Simplified Evaluation of Plastic Rotation Demand for Existing EBFs Equipped with Short Links

نویسندگان

چکیده

The seismic events that occurred in the last decades have highlighted importance of a correct design structures areas and inadequacy large part built heritage. Modern codes are still lacking terms prescriptions for evaluation performance existing buildings. present work proposes simplified method demand plastic rotation short links steel Eccentrically Braced Frames (EBFs). A relationship demand, exploits elastic analysis rigid-plastic extended to second-order effects, is proposed. calibration this was carried out on 420 EBFs equipped with designed according three different approaches. frames been also used analyze behavior range EBF type links. study provides an extensive influence redistribution capacity rotations links, corresponding achievement maximum bearing capacity. obtained relation can be exploited as assessment tool by comparing link Moreover, from performance-based point view, same predicting required ultimate function structure.

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ژورنال

عنوان ژورنال: Metals

سال: 2022

ISSN: ['2075-4701']

DOI: https://doi.org/10.3390/met12061002